mb_ereg_search_pos
(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
mb_ereg_search_pos — Returns position and length of a matched part of the multibyte regular expression for a predefined multibyte string
說明
$pattern = null, ?string $options = null): array|falseReturns position and length of a matched part of the multibyte regular expression for a predefined multibyte string
The string for match is specified by mb_ereg_search_init(). If it is not specified, the previous one will be used.
參數
-
pattern -
The search pattern.
-
options -
The search option. See mb_regex_set_options() for explanation.
返回值
An array containing two elements. The first element is the offset, in bytes, where the match begins relative to the start of the search string, and the second element is the length in bytes of the match.
If an error occurs, false is returned.
更新日誌
| 版本 | 說明 |
|---|---|
| 8.0.0 |
pattern and options are nullable now.
|
註釋
注意:
mb_regex_encoding() 指定的內部編碼或字元編碼將會當作此函式用的字元編碼。
參見
- mb_regex_encoding() - Set/Get character encoding for multibyte regex
- mb_ereg_search_init() - Setup string and regular expression for a multibyte regular expression match